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Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ahmad:8572 – ʿAffān > Hammām > Muḥammad b. Wāsiʿ > a man Yuqāl Lah Maʿrūfʿan Abū Hurayrah > Awṣānī Khalīlī ﷺ

[Machine] "That I do not sleep except on a single occasion."  

أحمد:٨٥٧٢ – حَدَّثَنَا عَفَّانُ حَدَّثَنَا هَمَّامٌ قَالَ حَدَّثَنَا مُحَمَّدُ بْنُ وَاسِعٍ عَنْ رَجُلٍ يُقَالُ لَهُ مَعْرُوفٌعَنْ أَبِي هُرَيْرَةَ قَالَ أَوْصَانِي خَلِيلِي ﷺ

أَنْ لَا أَنَامَ إِلَّا عَلَى وَتْرٍ  

See similar narrations below:

Collected by Suyūṭī